.bg{
                margin: 0 auto;
                margin-top: 100px;
                height: 500px;
                background-image: url(../img/loginbg.jpg);  
                background-size: 100% 100%;              
                overflow: hidden;
            }
           
            .login{
                width: 300px;
                height: 300px;
                background-color: white;
                float: right;
                margin: 50px;
            }
            .loginform{
                width: 250px;
                margin: 25px;
                height: 250px;
            }
            .username,.password{
                width: 200px;
                height: 50px;
                margin-left: 25px;
                margin-bottom: 10px;
                border: 2px pink solid;
            }
            .button{
                width:200px;
                height:40px;
                background-color: #ef5b9c;
                margin-left: 28px;
                color: white;
            }
             .re{
                text-decoration: none;
                color: blue;
                float:right;
                font-size: 15px;
                margin-top: 10px;
            }
            .re:active{
                color: blueviolet;
            }